package com.yand.spring.DesignPrinciples.SimpleResponsibilityPinciple_SRP.afterImprovement;

public class Test {

    public static void main(String [] args){
        LiveCourse  liveCourse = new LiveCourse();
        liveCourse.study("直播课");

        ReplayCourse replayCourse = new ReplayCourse();
        replayCourse.study("重播课");
    }
}
